If you aren't a regular smoker, then probably not, but it depends on how long ago you smoked. (You didn't say...) If your test is the same day you smoked or even the day after, I would advise you to find a way not to take it!
maybe
no, if you just had it in your hands it will not show on a drug test.
A very small amount of marijuana can show up on a drug test. Most companies will allow a small amount of up to 20 ng to show up on a drug test and not test positive.
No
Hahahahaha no
yes it can
No. THC is marijuana
you cant its imposable
yes
Yes
yes ! not in a normal blood test , but if a drug test is taken it will show up as positive however it also depends when or how long ago did she do the drug before the drug test
yes it can be a false positive.
I'm assuming you mean THC, Tetrahydrocannabinol, which is the chemical in Marijuana. So marijuana is the only drug that will test positive for THC.